D331212121133132233131323223313233313231313331311331323132313331323223313123111   >>    D33121212113313223313132322331323331323131333131133132313231333132322331312311   <<    D331212121133132233131323223313233313231313331311331323132313331323223313123113   >>      D331212121133132233131323223313233313231313331311331323132313331323223313123112   >>